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decbin> <cos
Last updated: Fri, 27 Jun 2008

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cosh

(PHP 4 >= 4.0.7, PHP 5)

cosh — Cosinus hiperboliczny

Opis

float cosh ( float $arg )

Zwraca cosinus hiperboliczny z liczby arg , definiowany jako (exp(arg) + exp(-arg))/2.

Patrz także: cos(), acosh(), sin() i tan().



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decbin> <cos
Last updated: Fri, 27 Jun 2008
 
 
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